/*
* Copyright (c) 2010, Michael Lehn * * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * * 1) Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2) Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in * the documentation and/or other materials provided with the * distribution. * 3) Neither the name of the FLENS development group nor the names of * its contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef CXXBLAS_LEVEL1EXTENSIONS_SYSCAL_TCC #define CXXBLAS_LEVEL1EXTENSIONS_SYSCAL_TCC 1 #include <cassert> #include <cxxblas/cxxblas.h> namespace cxxblas { template <typename IndexType, typename ALPHA, typename MA> void syscal(StorageOrder order, StorageUpLo upLo, IndexType n, const ALPHA &alpha, MA *A, IndexType ldA) { CXXBLAS_DEBUG_OUT("syscal_generic"); if (alpha==ALPHA(1)) { return; } if (order==ColMajor) { upLo = (upLo==Upper) ? Lower : Upper; } if (upLo==Upper) { for (IndexType i=0; i<n; ++i) { scal(n-i, alpha, A+i*(ldA+1), IndexType(1)); } } else { for (IndexType i=0; i<n; ++i) { scal(i+1, alpha, A+i*ldA, IndexType(1)); } } } } // namespace cxxblas #endif // CXXBLAS_LEVEL1EXTENSIONS_SYSCAL_TCC |